GEO & AI Search

Hallucination

A hallucination is when an AI system produces confident but false or fabricated information, such as inventing a statistic or misattributing a quote.

It matters for marketers because an assistant can misstate facts about a brand, so accurate, well-structured, easily-grounded source content acts as a safeguard. Grounding answers in retrieved sources reduces but does not fully eliminate the risk. Always verify AI-generated claims before publishing.

For brands the exposure is asymmetric: an assistant misquoting your prices or inventing your policies does damage you never see, because the conversation happens off your property. The defence is making the truth easy to retrieve: a current, crawlable page stating the facts an assistant would need, prices, terms, locations, claims, in plain declarative sentences. Retrieval-grounded systems quote what they can fetch; they improvise where sources are missing or contradictory. Periodically asking the major assistants about your own brand is the audit, and it costs nothing.

Example

An assistant, asked about an agency's pricing, states a "3-month minimum contract at 25,000 baht monthly": the agency has neither. No source held that fact; the model produced plausible-sounding filler. The counter is publishing checkable specifics: after a clear pricing page went live and got indexed, retrieval-based answers began quoting the actual terms and citing the page instead of improvising.

Frequently asked questions

How do I stop AI systems misrepresenting my brand?
Publish the facts you want repeated in clear, crawlable pages: pricing, services, locations, policies, each stated plainly. Retrieval-based assistants quote what they can fetch, and the reliable defence is being the easiest source of truth to retrieve.
How do I check what AI tools say about my business?
Ask them: run your buyers' likely questions through the major assistants monthly and record what gets said and cited. Errors trace to stale or conflicting sources, old directories, outdated pages, which you can correct at the origin.

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